Library of Congress. Copyright Office, Motion Pictures, 1960-1969: Catalog of Copyright Entries
“ Motion Pictures, 1960-1969 is a cumulative catalog listing works registered in the Copyright Office in Classes L and M from January 1, 1960, through December 31, 1969. It is the latest in the series of cumulative catalogs begun in 1951 with Motion Pictures, 1912-1939 and continued with Motion Pictures, 1940-1949 published in 1953, and Motion Pictures, 1950-1959 published in 1960. Another volume, Motion Pictures, 1894-1912 was published in 1953 outside of the series. It lists works copyrighted as photographs prior to 1912 which were identified as motion pictures by Howard Lamarr Walls. ”
